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  1. SIMPLE-G-Water: Global Groundwater Conservation Scenarios

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    24 Sep 2024 | Contributor(s): Iman Haqiqi

    DescriptionThis repository contains the outputs of the SIMPLE-G-global model at 15 arc-min resolution, focusing on various aspects of groundwater conservation. The data includes:Groundwater Withdrawal: Irrigation groundwater extraction across grid cells (pre-policy, post-policy, and...

  2. Quantifying the uncertainties in estimating the heterogeneous effects of carbon taxes on labor, land, water, and fertilizer use in US agriculture

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    17 May 2023 | Contributor(s): Iman Haqiqi

    Selected Paper prepared for presentation at the 2023 Agricultural & Applied Economics Association Annual Meeting, Washington DC; July 23-25, 2023 Potential carbon taxes will have spatially heterogeneous impacts on agriculture. The magnitude of impacts depends on 1) the direct and...

  3. RZWQM Calibration and Decision Making Tool

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    18 Apr 2023 | Contributor(s): Balaji Sesha Srikanth Pokuri, Anupam Bhar, Ratnesh Kumar

    RZWQM crop model simulator with a lightweight interface for calibrating the model to experimental data, optimizing irrigation and fertilization decisions using Coordinate Descent algorithm

  4. A review of global-local-global linkages in economic land-use/cover change models

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    04 May 2019 | Contributor(s): Tom Hertel, Thales A P West, Jan Börner, Nelson Benjamin Villoria

    Global change drivers of land-use/cover change (LUCC) like population dynamics, economic development, and climate change are increasingly important to local sustainability studies, and can only be properly analyzed at fine-scales that capture local biophysical and socio-economic conditions. When...

  5. SIMPLE-G US Web Application

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    11 Sep 2018 | Contributor(s): Jungha Woo, Uris Lantz C Baldos, Lan Zhao, Carol Song, Jaewoo Shin

    SIMPLE-G US is the US version of the SIMPLE-G

  6. Using spatially explicit data to improve our understanding of land supply responses: An application to the cropland effects of global sustainable irrigation in the Americas

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    09 Aug 2018 | Contributor(s): Nelson Benjamin Villoria, Jing Liu

    Land supply elasticities determine the rates of land conversion in global policy models. However, they are only available for few countries in the world. Therefore, analysts seeking to improve the spatial resolution of their models are forced to impose regionally homogeneous parameters...

  7. Cyberinfrastructure for the collaborative development of U2U decision support tools

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    10 Nov 2016 | Contributor(s): Larry Biehl, Lan Zhao, Carol Song, Christopher Panza

    This paper describes the use of cyberinfrastructure to create interactive applications as part of the Useful to Usable (U2U) project. These applications transform historical climate data, knowledge, and models into decision support tools for end users such as crop farmers, uni- versity Extension...

  8. LANDPARAM

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    20 Jul 2015 | Tools | Contributor(s): Jing Liu, Nelson Benjamin Villoria (contributor)

    A tool to aggregate cropland supply and land transformation elasticities

  9. Using Useful to Usable (U2U) Tools for an Introductory Agronomy Course (Purdue University) -- Lab Assignment

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    04 Dec 2014 | Teaching Materials | Contributor(s): Trevor J. Frank, Bruce J. Erickson

    This lab was constructed to provide introductory Agronomy students with a knowledge base of farming technology and available agricultural decision-making tools. Students will learn available technology for predicting climate variability, growing degree days, nitrogen fertilizer rates, cover crop...

  10. Geospatial Targeting of Irrigation Investment in Tanzania

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    11 Nov 2014 | Web Apps | Contributor(s): Jawoo Koo, Hua Xie, Liangzhi You, zhe guo, Jeffrey Dickinson, Cindy Cox

    This tool helps users to identify specific sites within the SAGCOT (Southern Agricultural Growth Corridor of Tanzania) area where new irrigation investments should target at 10 km spatial resolution. Users can interact with the map (showing the grid cells meeting the requirements, where the color...

  11. Developing A Collaborative Environment for Useful to Useable (U2U) Project

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    10 Nov 2014 | Downloads | Contributor(s): Larry Biehl, Carol Song, Lan Zhao, Christopher Panza, Brian Raub, Luke Policinski

    HUBzero is being used as a collaborative environment for the Useful to Usable (U2U) project funded by the USDA. U2U is an integrated research and extension project working to improve farm resilience and profitability in the North Central U.S. by transforming existing climate data into usable...

  12. Developing A Collaborative Environment for the Useful to Usable (U2U) Project

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    10 Nov 2014 | Online Presentations | Contributor(s): Larry Biehl, Carol Song, Lan Zhao, Christopher Panza, Brian Raub, Luke Policinski

    HUBzero is being used as a collaborative environment for the Useful to Usable (U2U) project funded by the USDA. U2U is an integrated research and extension project working to improve farm resilience and profitability in the North Central U.S. by transforming existing climate data into usable...

  13. Proposed Institutional Design for GEOSHARE

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    03 Oct 2014 | Online Presentations | Contributor(s): Tom Hertel

  14. IFPRI's Spatial Production Allocation Model (SPAM)

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    03 Oct 2014 | Online Presentations | Contributor(s): Ulrike Wood-Sichra, Liangzhi You

  15. Mapping multiple cropping and irrigation in India

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    03 Oct 2014 | Online Presentations | Contributor(s): Gang Zhao, Stefan Siebert

  16. International trade buffers the impact of future irrigation shortfalls

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    03 Oct 2014 | Online Presentations | Contributor(s): Jing Liu, Tom Hertel, Farzad Taheripour, Tingju Zhu, Claudia Ringler

  17. Predicting the Spatial Patterns of Land Conversion

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    03 Oct 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria, Jing Liu

  18. Enabling Scientific Collaboration Using HUBzero Platform

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    03 Oct 2014 | Online Presentations | Contributor(s): Lan Zhao

  19. Connecting Communities Through HUBzero

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    03 Oct 2014 | Online Presentations | Contributor(s): Nelson Benjamin Villoria, Joshua Elliott, Hongjun Choi, Lan Zhao

  20. Global Croplands: A new dataset for year 2005

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    03 Oct 2014 | Online Presentations | Contributor(s): Dany Plouffe, Navin Ramankutty, Lisa Ribaudo, Mark Friedl, Damien Sulla-Menashe